path_lookup() is no longer an inline function, and needs to be exported
for jffs2, nfsd and af_unix to load as modules.
diff -aur linux-2.5.12/kernel/ksyms.c linux-2.5.12-export/kernel/ksyms.c
--- linux-2.5.12/kernel/ksyms.c Tue Apr 30 17:08:45 2002
+++ linux-2.5.12-export/kernel/ksyms.c Tue Apr 30 18:40:30 2002
@@ -144,6 +144,7 @@
EXPORT_SYMBOL(follow_up);
EXPORT_SYMBOL(follow_down);
EXPORT_SYMBOL(lookup_mnt);
+EXPORT_SYMBOL(path_lookup);
EXPORT_SYMBOL(path_init);
EXPORT_SYMBOL(path_walk);
EXPORT_SYMBOL(path_release);